CN209876008U

CN209876008U - Length-adjustable ball valve rod

Info

Publication number: CN209876008U
Application number: CN201920495240.1U
Authority: CN
Inventors: 王勇
Original assignee: Zhejiang Youshineng Valve Technology Co Ltd
Current assignee: Zhejiang Youshineng Valve Technology Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2019-12-31
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to the technical field of mechanical device, specifically be a ball valve rod with adjustable length, including the ball valve and install in the inside valve rod of ball valve, intervalve and push pipe have been cup jointed to the inside of valve rod, the inner chamber has been seted up on the top of valve rod, the through-hole has been seted up to the top symmetry of inner chamber, the intervalve has been cup jointed to the inside of inner chamber, the side opening has been seted up to the equal symmetry in the upper and lower end outside of intervalve, the downthehole joint of intervalve bottom side has first shell fragment, the push pipe has been cup jointed to the inside of intervalve, the jack has been seted up to the equal symmetry in the upper and lower end outside of push pipe, the jack joint of push pipe. The utility model discloses this ball valve rod with adjustable length has cup jointed intermediate pipe and push pipe through the inside at former valve rod, only needs to go up to carry and draws the valve handle alright pull out intermediate pipe and push pipe for the valve rod is increaseed, thereby is convenient for adjust.

Description

Length-adjustable ball valve rod

Technical Field

The utility model relates to the technical field of mechanical device, specifically be a ball valve rod with adjustable length.

Background

The ball valve is a valve which is driven by a valve rod and rotates around the axis of the ball valve. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves. Its manual ball valve wide application is in the pipe connection of places such as mill, because the pipeline of mill is intensive crisscross, and high-low level is different for the ball valve is distributed by mistake, especially is close to wall department and low-level pipeline ball valve, and the staff need bend down by a wide margin and extend the arm and just can touch, makes the operation take trouble to waste. In view of this, we propose a length adjustable ball valve stem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve rod with adjustable length to solve the present manual ball valve's that proposes among the above-mentioned background art problem that the valve rod height is unadjustable.

In order to achieve the above object, the utility model provides a following technical scheme:

a length-adjustable ball valve rod comprises a ball valve and a valve rod arranged in the ball valve, the valve rod is internally sleeved with an intermediate pipe and a top pipe, the top end of the top pipe is connected with a valve handle, the outer side of the top end of the valve rod is sleeved with a protective sleeve, an inner cavity is arranged at the top end of the valve rod, through holes are symmetrically arranged at the top end of the inner cavity, convex strips are symmetrically arranged on the outer side of the top end of the valve rod, the inner part of the inner cavity is sleeved with a middle tube, the outer sides of the upper end and the lower end of the middle tube are symmetrically provided with side holes, a first elastic sheet is clamped in a side hole at the bottom end of the middle pipe, a top pipe is sleeved in the middle pipe, the inner part of the top pipe is of a hollow structure, the bottom end of the top pipe is open, the outer sides of the upper end and the lower end of the top pipe are symmetrically provided with jacks, the jack joint of push pipe bottom has first shell fragment, the jack joint on push pipe top has the second shell fragment.

Preferably, the first elastic piece and the second elastic piece are both in a U shape, cylindrical blocks are arranged on the outer sides of two ends of the first elastic piece and the second elastic piece, the first elastic piece is clamped and matched with the through hole in the middle pipe, the first elastic piece is clamped and matched with the side hole in the top pipe, and the second elastic piece is clamped and matched with the through hole.

Preferably, the height of the cylindrical block of the first elastic piece is twice of the thickness of the middle pipe wall, and the height of the cylindrical block of the second elastic piece is three times of the thickness of the middle pipe wall.

Preferably, the top end of the top pipe is provided with a square block, and one side of the square block is provided with a through hole.

Preferably, a square hole is formed in the top face of one end of the valve handle, limiting holes are formed in two opposite inner sides of the square hole, a cylindrical pin is inserted into the limiting holes, the square hole is in close sleeve fit with the square block, and the cylindrical pin is in insertion fit with the through hole.

Preferably, the protecting sleeve is of a cylindrical ring structure, slots are symmetrically formed in the inner side of the protecting sleeve, blind holes are symmetrically formed in the outer side of the protecting sleeve, and bottom holes are formed in the inner bottom surface of the blind holes.

Preferably, the inner side of the blind hole is provided with a spring, the inner side of the spring is sleeved with a pressure column, the outer end of the pressure column is sleeved with a sealing cover, the outer side of the sealing cover is provided with threads, and the inner side of the blind hole is provided with threads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this ball valve rod with adjustable length has cup jointed intermediate pipe and push pipe through the inside at former valve rod, only needs to go up to lift the valve handle alright pull out intermediate pipe and push pipe for the valve rod is increaseed, thereby is convenient for adjust.

2. This ball valve rod with adjustable length has set up the lag outside the top of valve rod, plays sealed effect to ball valve top port, still can retreat the first second shell fragment in the through-hole through pressing the compression leg top in the two outsides of lag, and the carrying of the valve handle of being convenient for is carried.

Drawings

FIG. 1 is a plan view of the overall assembly structure of the present invention;

FIG. 2 is an exploded view of the valve stem and protective sleeve assembly of the present invention;

FIG. 3 is a schematic view of the valve stem structure of the present invention;

FIG. 4 is an exploded view of the middle tube and the top tube of the present invention;

FIG. 5 is a schematic view of the valve handle structure of the present invention;

fig. 6 is an exploded view of the protective cover of the present invention;

fig. 7 is a full sectional view of the blind hole of the protective cover of the present invention.

In the figure: 1. a ball valve; 2. a valve stem; 20. an inner cavity 21, a through hole; 22. a convex strip; 23. an intermediate pipe; 230. a side hole; 231. a first spring plate; 24. jacking pipes; 240. a square block; 241. perforating; 242. a jack; 243. a second elastic sheet; 3. a valve handle; 30. a square hole; 31. a limiting hole; 32. a cylindrical pin; 4. a protective sleeve; 41. a slot; 42. blind holes; 420. a bottom hole; 43. a spring; 44. pressing the column; 45. sealing the cover; 450. and (5) kneading blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A length-adjustable ball valve rod, in order to enable the length of the valve rod 2 to be adjustable, the inventor improves the valve rod 2, as a preferred embodiment, as shown in FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the invention includes a ball valve 1 and a valve rod 2 installed inside the ball valve 1, a middle pipe 23 and a top pipe 24 are sleeved inside the valve rod 2, the top end of the top pipe 24 is connected with a valve handle 3, a protecting sleeve 4 is sleeved outside the top end of the valve rod 2, the top end of the valve rod 2 is provided with an inner cavity 20, the top end of the inner cavity 20 is symmetrically provided with through holes 21, the top end outside of the valve rod 2 is symmetrically provided with raised strips 22, the inner cavity 20 is sleeved with a middle pipe 23, the upper and lower ends of the middle pipe 23 are symmetrically provided with side holes 230, a first elastic sheet 231 is clamped in the side hole 230 at the bottom end of the middle pipe 23, the top pipe 23 is sleeved with the top pipe 24, the inner portion of the top, the first elastic sheet 231 is clamped in the insertion hole 242 at the bottom end of the top pipe 24, and the second elastic sheet 243 is clamped in the insertion hole 242 at the top end of the top pipe 24.

In this embodiment, the installation of valve rod 2 and ball valve 1 is the change, still installs valve rod 2 according to prior art, and this embodiment has only made the improvement in the inside of valve rod 2, does not also relate to the improvement of the structure and the theory of operation of ball valve 1.

Further, first shell fragment 231 and second shell fragment 243 all are the U style of calligraphy and both ends outside all are equipped with the cylindricality piece, intermediate tube 23 and push pipe 24 are stretched the back completely, first shell fragment 231 and the cooperation of through-hole 21 joint in the intermediate tube 23, first shell fragment 231 and the cooperation of side hole 230 joint in the push pipe 24, it is spacing to make intermediate tube 23 and push pipe 24 all by, alright rotation valve handle 3 comes rotation valve rod 2, intermediate tube 23 and push pipe 24 are in the inner chamber 20 of valve rod 2, second shell fragment 243 cooperates with through-hole 21 joint, it is spacing to make push pipe 24 be spacing, alright rotation valve handle 3 comes rotation valve rod 2.

Specifically, the height of the cylindrical block of the first resilient tab 231 is twice the wall thickness of the intermediate tube 23, so that the cylindrical block of the first resilient tab 231 can be simultaneously clamped into the side hole 230 and the through hole 21 to play a role in connection and limitation, the height of the cylindrical block of the second resilient tab 243 is three times the wall thickness of the intermediate tube 23, and the cylindrical block of the second resilient tab 243 can simultaneously pass through the insertion hole 242, the side hole 230 and the through hole 21 to play a role in connection and limitation.

In addition, a block 240 is disposed at the top end of the top tube 24, and a through hole 241 is disposed at one side of the block 240.

It is worth noting that a square hole 30 is formed in the top face of one end of the valve handle 3, a limiting hole 31 is formed in the two opposite inner sides of the square hole 30, a cylindrical pin 32 is inserted into the limiting hole 31, the square hole 30 is tightly matched with the square 240 in a sleeved mode, and the cylindrical pin 32 is matched with the through hole 241 in an inserted mode, so that the valve handle 3 and the square 240 of the top pipe 24 are connected into a whole, and the valve handle and the top pipe can integrally rotate.

It should be noted that, in the present invention, the first elastic piece 231 and the second elastic piece 243 are both U-shaped double-ended elastic pieces in tubes manufactured by toyoguan pahnical hardware ltd, and the sizes of the two pieces can be customized by the manufacturer as required; in addition, U type double-end shell fragment wide application is intraductal spacing, only needs to fill in its hole that intraductal cylindricality piece card that makes the shell fragment goes into the pipe wall, and it is firm in the pipe wall through the elasticity of self, and the technical staff in the art can realize completely, need not proud, the utility model discloses the content of protection does not relate to the structure and the performance improvement to first shell fragment 231 and second shell fragment 243 yet.

Example 2

As the utility model discloses a second embodiment, in order to make things convenient for press first shell fragment 231 and second shell fragment 243 to move back from through-hole 21, the inventor has set up lag 4, as an preferred embodiment, as shown in fig. 1, fig. 6 and fig. 7, lag 4 is the cylinder ring structure, and slot 41 has been seted up to the inboard symmetry of lag 4, and blind hole 42 has been seted up to the outside symmetry of lag 4, and bottom hole 420 has been seted up to the inside bottom surface of blind hole 42.

In this embodiment, the protection sleeve 4 is made of PP material, i.e. polypropylene, and has light weight, good toughness and rigid strength, so that the protection sleeve 4 is durable, wherein the bottom of the protection sleeve 4 is tightly bonded to the top end surface of the ball valve 1, so that the protection sleeve 4 is stable, and the slots 41 are arranged so that the blind holes 42 are aligned to the through holes 21.

Further, a spring 43 is arranged on the inner side of the blind hole 42, a pressure column 44 is sleeved on the inner side of the spring 43, a sealing cover 45 is sleeved on the outer end of the pressure column 44, threads are arranged on the outer side of the sealing cover 45, and threads are arranged on the inner side of the blind hole 42.

Specifically, the inner diameter of the bottom hole 420 is smaller than the inner diameter of the blind hole 42 and the major diameter of the spring 43, so that the spring 43 is limited, and is biased by the inner side surface of the bottom hole 420 to return against the compression leg 44.

Besides, the compression leg 44 is similar to a step shaft, the outer diameter of the middle part of the compression leg is larger than the outer diameters of the two ends of the compression leg, the sealing cover 45 is in threaded connection with the blind hole 42, the compression leg 44 is limited, the pinching block 450 is arranged on one side of the sealing cover 45, the finger can conveniently pinch the rotation, and the sealing cover 45 and the blind hole 42 can be conveniently in threaded connection.

When the length-adjustable ball valve rod of the utility model is used, the outer end of the compression leg 44 is pressed, the inner end of the compression leg pushes the second elastic sheet 243 in the through hole 21 to separate from the through hole 21, at the moment, the valve handle 3 is lifted upwards, the top tube 24 moves upwards, as the cylindrical blocks of the second elastic sheet 243 are still clamped in the top end side hole 230 of the middle tube 23, the middle tube 23 is also lifted until the cylindrical block of the first elastic sheet 231 at the bottom of the middle tube is clamped in the through hole 21 through self elasticity, the middle tube 23 is limited, at the moment, the cylindrical blocks at the two ends of the second elastic sheet 243 are simultaneously pressed by fingers, the top tube 23 is withdrawn from the top end side hole 231 of the middle tube 23, the valve handle 3 is continuously lifted, the top tube 24 slides upwards in the middle tube 23, the cylindrical block of the first elastic sheet 231 at the bottom of the top tube 24 is clamped in the side hole 231 at the top end of the middle tube 23 through self elasticity, the top tube 24 is limited, the valve handle 3 can be rotated to simultaneously drive the top pipe 24, the middle pipe 23 and the valve rod 2 to synchronously rotate, so that the ball valve which is at a low position and is difficult to touch can be conveniently adjusted.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve rod with adjustable length, includes ball valve (1) and install in inside valve rod (2) of ball valve (1), its characterized in that: the valve rod (2) is sleeved with an intermediate pipe (23) and a top pipe (24), the top end of the top pipe (24) is connected with a valve handle (3), the top end of the valve rod (2) is sleeved with a protective sleeve (4), the top end of the valve rod (2) is provided with an inner cavity (20), the top end of the inner cavity (20) is symmetrically provided with through holes (21), the top end outer side of the valve rod (2) is symmetrically provided with convex strips (22), the inner part of the inner cavity (20) is sleeved with the intermediate pipe (23), the outer sides of the upper end and the lower end of the intermediate pipe (23) are symmetrically provided with side holes (230), the inner side hole (230) at the bottom end of the intermediate pipe (23) is clamped with a first elastic sheet (231), the top pipe (24) is sleeved with the intermediate pipe (23), the inner part of the top pipe (24) is of a hollow structure and is provided with an opening at the bottom end, the outer sides, the jack (242) at the bottom end of the top pipe (24) is clamped with a first elastic sheet (231), and the jack (242) at the top end of the top pipe (24) is clamped with a second elastic sheet (243).

2. A length adjustable ball valve stem according to claim 1, wherein: the first elastic piece (231) and the second elastic piece (243) are both U-shaped, cylindrical blocks are arranged on the outer sides of two ends of the first elastic piece and the second elastic piece, the first elastic piece (231) in the middle pipe (23) is in clamping fit with the through hole (21), the first elastic piece (231) in the top pipe (24) is in clamping fit with the side hole (230), and the second elastic piece (243) is also in clamping fit with the through hole (21).

3. A length adjustable ball valve stem according to claim 1, wherein: the height of the cylindrical block of the first elastic sheet (231) is twice of the wall thickness of the middle pipe (23), and the height of the cylindrical block of the second elastic sheet (243) is three times of the wall thickness of the middle pipe (23).

4. A length adjustable ball valve stem according to claim 1, wherein: the top end of the top pipe (24) is provided with a square block (240), and one side of the square block (240) is provided with a through hole (241).

5. A length adjustable ball valve stem according to claim 4, wherein: the valve handle is characterized in that a square hole (30) is formed in the top face of one end of the valve handle (3), limiting holes (31) are formed in the two opposite inner sides of the square hole (30), a cylindrical pin (32) is inserted into the limiting holes (31), the square hole (30) is tightly matched with the square block (240) in a sleeved mode, and the cylindrical pin (32) is matched with the through hole (241) in an inserted mode.

6. A length adjustable ball valve stem according to claim 1, wherein: the protective sleeve (4) is of a cylindrical ring structure, slots (41) are symmetrically formed in the inner side of the protective sleeve (4), blind holes (42) are symmetrically formed in the outer side of the protective sleeve (4), and bottom holes (420) are formed in the inner bottom face of the blind holes (42).

7. A length adjustable ball valve stem according to claim 6, wherein: the inner side of the blind hole (42) is provided with a spring (43), the inner side of the spring (43) is sleeved with a pressure column (44), the outer end of the pressure column (44) is sleeved with a sealing cover (45), the outer side of the sealing cover (45) is provided with threads, and the inner side of the blind hole (42) is provided with threads.